What is a cathode ray tube typically part of?
Options:
- vacuum tube
- television
- screen
- oscilloscope
- computer
Let's do it gradually: Television has a cathode ray tube. Television is an entertainment system. Programs can be watched on the television.... So the answer is television.

John played a brass drum very well. He loved classical music and decided that he wanted to join what?
Options:
- low notes
- rock band
- sing
- orchestra
- drum set
Let's do it gradually: Orchestra is a group of instrumentalists. Brass drum is a musical instrument.... So the answer is orchestra.

What is the primary reason for visiting a shop?
Options:
- spending of money
- spend too much
- purchasing
- sell items
- compare prices

Let's do it gradually: We visit a shop for purchasing products. Purchasing is the main and primary reason to go to a shop.... So the answer is purchasing.